Chains and heterogens:
PDB Chain Sequences:
>4u5uA (A:) gtvnwsvedivkginsnnlesqlqatqaarkllsrekqppidniiraglipkfvsflgkt dcspiqfesawaltniasgtseqtkavvdggaipafisllasphahiseqavwalgniag dgsafrdlvikhgaidpllallavpdlstlacgylrnltwtlsnlcrnknpappldaveq ilptlvrllhhndpevladscwaisyltdgpneriemvvkkgvvpqlvkllgatelpivt palraignivtgtdeqtqkvidagalavfpslltnpktniqkeatwtmsnitagrqdqiq qvvnhglvpflvgvlskadfktqkeaawaitnytsggtveqivylvhcgiieplmnllsa kdtkiiqvildaisnifqaaeklgeteklsimieecggldkiealqrhenesvykaslnl iekyfs